In the flower plant named Four o’clock, R is the allele for red color and W is allele for white color. Two pink flowered Four o’clock plants were crossed. Show the possible outcome of the cross between two pink flowered Four o’clock plants by using the Punnett square. Now, another cross was made involving a redflowered Four o’clock plant and a pink flowered Four o’clock plant. Using the Punnett square again, show the possible outcome.

Human Biology (MindTap Course List)
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Chapter20: Chromosomes And Human Genetics
Section: Chapter Questions
Problem 7CT: The following pedigree shows the pattern of inheritance of red-green color blindness in a family....
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In the flower plant named Four o’clock, R is the allele for red color and W is allele for white color. Two pink flowered Four o’clock plants were crossed.

Show the possible outcome of the cross between two pink flowered Four o’clock plants by using the Punnett square.

  1. Now, another cross was made involving a redflowered Four o’clock plant and a pink flowered Four o’clock plant.
  2. Using the Punnett square again, show the possible outcome.

Guide Questions:

  1. a.How many types of gametes will each parent produce in problem no.1? _____ In problem no. 2? _____
  2. What is the phenotype of a heterozygous Four o’clock flower? _pink flower__
  3. What are the possible phenotypes of the offspring from the cross of the parental plants in problem no. 1? _____ In problem no. 2? ____
  4. What are the possible genotypes of the offspring from the cross of the parental plants in problem no. 1? _____ In problem no.2? ______
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